Intended working of Data retrieval
- Parameter 1 is ignored and can contain anything but " KSTART " (see Intended working of key selection)
- Parameter 2 is ignored.
- If applicable, parameters 3 and further contain an actual value for the Formal parameters of the Entry
- Position in the database (file) using the values passed in the parameters 3 and higher.
- Read all records from the database (file) that are identified by the values passed in the parameters 3 and higher (read by key).
- Return every record that is read to ITP using a call to ITP's ISNDDTA program
The data retrieval functionality is always required for an Entry.